404443412223 has 4 divisors (see below), whose sum is σ = 539257882968. Its totient is φ = 269628941480.

The previous prime is 404443412189. The next prime is 404443412237. The reversal of 404443412223 is 322214344404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404443412223 - 2²⁴ = 404426635007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404443412273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67407235368 + ... + 67407235373.

It is an arithmetic number, because the mean of its divisors is an integer number (134814470742).

Almost surely, 2^404443412223 is an apocalyptic number.

404443412223 is a deficient number, since it is larger than the sum of its proper divisors (134814470745).

404443412223 is a wasteful number, since it uses less digits than its factorization.

404443412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134814470744.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 404443412223 its reverse (322214344404), we get a palindrome (726657756627).

The spelling of 404443412223 in words is "four hundred four billion, four hundred forty-three million, four hundred twelve thousand, two hundred twenty-three".